Question

who form an organisation and Undertake activities to promote their interest or viewpoints?​

Answer 1

we see point view others so it good or bad. any see our self so it should

Answer 2

$\large\tt\blue{Solution→}$

Organisations that undertake activities to promote the interests of specific social sections such as workers, employees, teachers, and lawyers are called $\large\bf\orange{Sectional\: interest}$ groups.